Question

If I is the set of isosceles triangles and E is the set of equilateral triangles, then
(a) I C E
b) Е С І
(c) E = 1
(d) none of these

(plz explain me the reason)​

Answer 1

Answer:

(b) E C I

Step-by-step explanation:

Equilateral triangles have 3 equal sides so they even have 2 equal sides

Therefore, we can say that E C I

But, isosceles triangles have only two equal sides.....so we cannot say that I C E